P
US6740375B1ExpiredUtilityPatentIndex 92

Fluorochemical adhesive material and laminate comprising the same

Assignee: DAIKIN IND LTDPriority: Sep 8, 1999Filed: Sep 8, 2000Granted: May 25, 2004
Est. expirySep 8, 2019(expired)· nominal 20-yr term from priority
Inventors:SAGISAKA SHIGEHITOKATO TAKETOINABA TAKESHIARASE TAKUYASHIMIZU TETSUO
B32B 2369/00B32B 27/34B32B 27/306Y10T428/1352B32B 7/12B29K 2027/12Y10T428/3154Y10T428/31544B32B 27/308Y10T428/31536B32B 2329/04B29C 48/18B32B 2367/00B32B 27/08C09J 127/18C09J 127/12B29C 48/08B32B 27/32B32B 27/304B32B 27/365B32B 2331/04B32B 27/36B32B 1/08B32B 27/00B32B 17/1055B32B 1/00
92
PatentIndex Score
37
Cited by
25
References
36
Claims

Abstract

A fluorine-containing adhesive material comprising a fluorine-containing ethylenic polymer having a carbonate group and/or a carboxylic acid halide group at a chain end or a side chain of the polymer, wherein a total of a number of the carbonate groups and/or carboxylic acid halide groups is at less than 150 per 1x10<6 >main chain carbon atoms, can directly impart the firm adherability to a substrate such as a metal, a glass or a resin while maintaining excellent properties such as chemical resistance, solvent resistance, weatherability and soil releasability possessed by a fluorine-containing polymer.

Claims

exact text as granted — not AI-modified
What is claimed is:  
     
       1. A fluorine-containing adhesive material comprising a fluorine-containing ethylenic polymer having a carbonate group and/or a carboxylic acid halide group at a chain end or a side chain of the polymer, wherein a total number of the carbonate groups and the carboxylic acid halide groups is less than 150 per 1×10 6  main chain carbon atoms. 
     
     
       2. A fluorine-containing adhesive material comprising a fluorine-containing ethylenic polymer having a carbonate group and/or a carboxylic acid halide group at a chain end or a side chain of the polymer, wherein a total number of the carbonate groups and the carboxylic acid halide groups is less than 100 per 1×10 6  main chain carbon atoms. 
     
     
       3. The fluorine-containing adhesive material according to  claim 1  or  2 , wherein a number of carbonate groups at a chain end or a side chain of the polymer is at least 10 per 1×10 6  main chain carbon atoms. 
     
     
       4. The fluorine-containing adhesive material according to  claim 1 , wherein a number of carboxylic acid halide groups is at least 10 per 1×10 6  main chain carbon atoms. 
     
     
       5. The fluorine-containing adhesive material according to  claim 1 , which has the carbonate group and/or the carboxylic acid halide group at the polymer chain end. 
     
     
       6. The fluorine-containing adhesive material. according to  claim 1 , wherein a crystal melting point or a glass transition point of the fluorine-containing ethylenic polymer is at most 270° C. 
     
     
       7. The fluorine-containing adhesive material according to  claim 1 , wherein a crystal melting point or a glass transition point of the fluorine-containing ethylenic polymer is at most 230° C. 
     
     
       8. The fluorine containing adhesive material according to  claim 1 , wherein a crystal melting point or a glass transition point of the fluorine-containing ethylenic polymer is at most 210° C. 
     
     
       9. The fluorine-containing adhesive material according to anyone of  claims 6  to  8 , wherein the fluorine-containing ethylenic polymer is a copolymer comprising tetrafluoroethylene and ethylene. 
     
     
       10. The fluorine-containing adhesive material according to anyone of  claims 6  to  8 , wherein the fluorine-containing ethylenic polymer is a copolymer comprising tetrafluoroethylene and a monomer represented by the formula (i): 
       
         
           CF 2 ═CF—Rf 1   (i)  
         
       
       wherein RV 1  is CF 3  or ORf 2  (Rf 2  is a perfluoroalkyl group having 1 to 5 carbon atoms). 
     
     
       11. The fluorine-containing adhesive material according to  claim 9 , wherein the fluorine-containing ethylenic polymer having carbonate group and/or carboxylic acid halide group is a copolymer comprising 20 to 80% by mol of tetrafluoroethylene, 10 to 60% by mol of ethylene and 0 to 60% by mol of an ethylenic monomer copolymerizable with them. 
     
     
       12. The fluorine-containing adhesive material according to  claim 11 , wherein the ethylenic monomer copolymerizable with tetrafluoroethylene and ethylene is at least one selected from hexafluoropropylene, chlorotrifluoroethylene, a monomer represented by the formula (ii): 
       
         
           CH 2 ═CX 1 (CF 2 ) n X 2   (ii)  
         
       
       wherein X 1  is H or F, X 2  is H, F or Cl, and n is an integer of from 1 to 10, perfluoro(alkyl vinyl ethers), and propylene. 
     
     
       13. A laminate comprising: 
       (A) a layer comprising the fluorine-containing adhesive material according to  claim 1 , and  
       (B) a layer comprising an organic material having a functional group exhibiting the affinity or reactivity with the carbonate group and/or carboxylic acid halide group.  
     
     
       14. The laminate according to  claim 13 , wherein the layer (B) comprises a polymer material having at least one functional group selected from a hydroxyl group, a carboxyl group, a carboxylic salt group, an ester group, a carbonate group, an amino group, an amide group, an imide group, a mercapto group, a thiolate group, a sulfonic acid group, a sulfonate salt group, a sulfonate ester group and an epoxy group in a molecular chain. 
     
     
       15. The laminate according to  claim 13  or  14 , wherein the layer (B) comprises a thermoplastic resin having a crystal melting point or a glass transition point of at most 270° C. 
     
     
       16. The laminate according to claims  15 , wherein the layer (B) comprises a thermoplastic resin having a crystal melting point or a glass transition point of at most 230° C. 
     
     
       17. The laminate according to  claim 13  or  14 , wherein the layer (B) comprises a polymer material selected from polyamides, polyesters, polycarbonates, polyvinyl chlorides, polyacrylates, polyvinyl acetates, polyolefins, polyvinyl alcohols and ethylene/vinyl alcohol copolymers. 
     
     
       18. A multilayered tube or a multilayered hose obtainable by shaping the laminate according to  claim 13 . 
     
     
       19. A multilayered film or a multilayered sheet obtainable by shaping the laminate according to  claim 13 . 
     
     
       20. A tank obtainable by shaping the laminate according to  claim 13 . 
     
     
       21. A bottle obtainable by shaping the laminate according to  claim 13 . 
     
     
       22. A multilayered tube for fuel piping or a multilayered hose for fuel piping obtainable by shaping a laminate comprising: 
       (A) a layer comprising the fluorine-containing adhesive material according to  claim 1 , and  
       (B) a layer comprising a polyamide which is an organic material having a functional group exhibiting the affinity or reactivity with the carbonate group and/or carboxylic acid halide group.  
     
     
       23. A fuel tank obtainable by shaping a laminate comprising: 
       (A) a layer comprising the fluorine-containing adhesive material according to  claim 1 , and  
       (B) a layer comprising an ethylene polymer.  
     
     
       24. A bottle for liquid chemicals obtainable by shaping a laminate comprising: 
       (A) a layer comprising the fluorine-containing adhesive material according to  claim 1 , and  
       (B) a layer comprising an ethylene polymer.  
     
     
       25. A process for manufacturing the shaped article according to  claim 18 , which is characterized by shaping 
       (A) a fluorine-containing adhesive material comprising a fluorine-containing ethylenic polymer having carbonate group and/or carboxylic acid halide group and (B) an organic material having a functional group exhibiting the affinity or reactivity with the carbonate group and/or carboxylic acid halide group by melt coextrusion at a temperature, higher than a crystal melting point or glass transition point of each material.  
     
     
       26. The process according to  claim 25 , wherein 
       (A) a fluorine-containing adhesive material comprising a fluorine-containing ethylenic polymer having a crystal melting point or glass transition point of at most 270° C., and  
       (B) an organic material which is a thermoplastic resin having a crystal melting point or a glass transition point of at most 270° C., are shaped by melt coextrusion at a temperature in the range from a crystal melting point or glass transition point of each material to 350° C.  
     
     
       27. The process according to  claim 25 , wherein 
       (A) a fluorine-containing adhesive material comprising a fluorine-containing ethylenic polymer having a crystal melting point or glass transition point of at most 230° C., and  
       (B) an organic material which is a thermoplastic resin having a crystal melting point or a glass transition point of at most 230° C., are shaped by melt coextrusion at a temperature in the range from a crystal melting point or glass transition point of each material to 350° C.  
     
     
       28. The process according to  claim 27 , wherein the shaping temperature is at most 300° C. 
     
     
       29. A laminate comprising: 
       (A) a layer comprising the fluorine-containing adhesive material according to  claim 1 , and  
       (B) a layer comprising an inorganic material.  
     
     
       30. The laminate according to  claim 29 , wherein the inorganic material in the layer (C) is a metal-based material. 
     
     
       31. The laminate according to  29 , wherein the inorganic material in the layer (C) is a glass material. 
     
     
       32. A laminate having at least three layers, wherein (D) a layer comprising fluorine-containing ethylenic polymer free from carbonate group and/or carboxylic acid halide group is positioned on a side of (A) the layer comprising fluorine-containing adhesive material of the laminate according to  claim 13  or  29 . 
     
     
       33. A multilayered tube for fuel piping or a multilayered hose for fuel piping obtainable by shaping a laminate having at least three layers, comprising (D) a layer comprising fluorine-containing ethylenic polymer free from carbonate group and/or carboxylic acid halide group which is positioned on a side of (A) the layer comprising fluorine-containing adhesive material of the laminate according to  claim 22 . 
     
     
       34. A multilayered tube for fuel piping or a multilayered hose for fuel piping obtainable by shaping a laminate having at least three layers, comprising (E) a layer, comprising fluorine-containing ethylenic polymer having electrical conductivity which is positioned on a side of (A) the layer comprising fluorine-containing adhesive material of the laminate according to  claim 22 . 
     
     
       35. A multilayered tube for fuel piping or a multilayered hose for fuel piping obtainable by shaping a laminate having at least four layers, comprising (E) a layer comprising fluorine-containing ethylenic polymer having electrical conductivity is positioned on a side of (D) the layer comprising fluorine-containing adhesive material of the laminate according to  claim 33 . 
     
     
       36. A multilayered tube for fuel piping or a multilayered hose for fuel piping, obtainable by shaping a laminate having at least three layers, comprising (F) a protetive layer which is positioned on a side of (B) the layer comprising a polyamide of the laminate according to anyone of claims  22  and  33  to  35 .

Cited by (0)

No later patents cite this yet.

References (0)

No backward citations on record.